Schematic Reference: Wiper/Washer Schematics

DEFINITION: The windshield washer fluid low message is always displayed or does not display with low washer fluid.

Did you review the Wiper/Washer System Description and Operation and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Wiper/Washer Systems

Verify the fault is present.

Does the system operate normally?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Turn the ignition OFF.
2. Disconnect the washer fluid level switch connector.
3. Turn the ignition ON.

Is the windshield washer fluid low message displayed on the driver information center?

Go to Step 6

Go to Step 4

1. Turn the ignition OFF.
2. Connect a fused jumper wire from the washer fluid level switch signal circuit terminal in the washer fluid level switch connector to a good ground.
3. Turn the ignition ON.

Is the windshield washer fluid low message displayed on the driver information center?

Go to Step 5

Go to Step 8

1. Turn the ignition OFF.
2. Connect a fused jumper wire across the washer fluid level switch harness connector terminals.
3. Turn the ignition ON.

Is the windshield washer fluid low message displayed on the driver information center?

Go to Step 11

Go to Step 10

1. Install a scan tool.
2. Display the BCM Data List.

With the washer fluid level switch disconnected is the Washer Fluid Level status OK?

Go to Step 13

Go to Step 7

Test the washer fluid level switch signal circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 15

1. Install a scan tool.
2. Display the BCM Data List.

With the washer fluid level switch signal circuit shorted to ground is the Washer Fluid Level status LOW?

Go to Step 13

Go to Step 9

Test the washer fluid level switch signal circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 15

Repair the washer fluid level switch ground circuit for an open or high resistance. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the washer fluid level switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 12

Replace the washer fluid level switch. Refer to Windshield Washer Solvent Level Switch Replacement .

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the instrument panel cluster. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 14

Replace the instrument panel cluster. Refer to Instrument Cluster Replacement in Instrument Panel, Gages, and Console.

Is the repair complete?

Go to Step 17

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Inspect for poor connections at the body control module. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.

Did you find and correct the condition?

Go to Step 17

Go to Step 16

Replace the body control module. Refer to Body Control Module Replacement and to Body Control Module (BCM) Programming/RPO Configuration in Body Control System.

Is the repair complete?

Go to Step 17

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3